COA/BAC-2026-024Verified
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PuriLab Analytical
Bacteriostatic Water 10 mL
BAC-2026-024Lot CHL10262604Analyzed November 5, 2026

Timeline
Ordered
October 30, 2026
Received
November 3, 2026
Analyzed
November 5, 2026
Sample
Name
Bacteriostatic Water 10 mL
Expected
Benzyl Alcohol (preservative)
Amount
1 vial, aqueous solution, multi-dose 10 mL, sealed
Testing
Client
Comfi Home Labs LLC
Test type
Preservative identity & content determination, pH
Method
HPLC-UV
Content, how much is in it
0.91%w/v
Label claim: Not stated
Identity, what it isMatch
Confirmed
Retention-time and UV spectrum match vs. benzyl alcohol reference standard
pH
5.94
USP range 4.5 to 7.0
Chromatogram
HPLC-UV
3.35 min, Benzyl Alcohol
Analyst Comments
Clear, colorless aqueous solution, blue flip-cap multi-dose vial, received sealed.
Analyst Signature
Max Barrett
Lab Director, PuriLab Analytical
Analysis date: November 5, 2026
Verification Code
BAC-M67Z-78ZW
Verify at purilab.org/verify/BAC-M67Z-78ZW
Scan to Verify
BAC-M67Z-78ZW
Results apply solely to the sample as received and are not representative of any larger lot, batch, or production run. Findings are limited to the analytes stated above. PuriLab Analytical is an independent testing laboratory, is not CLIA certified or ISO 17025 accredited, does not sell or distribute any substance, and makes no representation as to the safety, legality, or fitness of any material for any use.
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